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Table 5 Rajah 49 Mine, Thornton Portal (Rajah Spring)
<br /> Dissolved Metals(mg/L) Dissolved Radionuclides(pCi/L)
<br /> Sample Information As Ba Be B Cd Cr Pb Mn I Mo Ni Se U V Zn U Ra-226 Ra-228 Ra-226
<br /> Ra-228
<br /> Thornton Portal(Rajah Spring)
<br /> Thornton Portal, EFRC, 9/21/09 1.49 <0.1 <0.01 0.2 <0.01 <0.05 <0.05 <0.01 0.3 <0.05 0.154 2.02 0.3 0.01 4 .'r4 j 1 . r .-' <0.51 jfr ,ii
<br /> ', J Or .
<br /> Thornton Portal, EFRC, 6/30/10 1.39 <0.1 <0.01 <0.2 <0.01 <0.05 <0.05 <0.01 0.2 <0.05 0.146 1.81 0.5 <0.01 F ;-:, �: <1.0 � �,
<br /> Thornton Portal, EFRC, 5/24/11 1.51 <0.1 <0.01 0.2 <0.01 <0.05 <0.05 <0.01 0.3 <0.05 0.142 1.86 0.4 <0.01 ,�1 ;4 � 4:444,. <1.4 .,.-~
<br /> Thorton Portal, EFRC, 5/30/12 1.75 <0.1 <0.01 0.1 <0.01 <0.05 <0.05 0.01 0.3 <0.05 0.189 2.06 0.4 <0.01 `i <.68 K
<br /> Thorton Portal, EFRC, 6/17/2013 1.39 <0.1 <0.01 0.1 <0.01 <0.05 <0.05 0.09 0.3 <0.05 0.154 2.43 0.4 <0.01 :-yi,� `'"' "- <1.9 Y,41;-!.1,,'
<br /> ;
<br /> Thorton Portal, EFRC, 6/17/2014 1.63 <0.1 <0.01 0.1 <0.01 <0.05 <0.05 0.01 0.3 <0.05 0.19 2.22 0.4 0.01 4 , Kk ;F <1.0 : 4
<br /> Y
<br /> Thornton Portal, EFRI, 8/5/15 2.28 <0.1 <0.01 0.2 <0.01 <0.05 <0.05 <0.01 0.3 j <0.05 0.266 2.04 0.4 <0.01 k 1.8 : . '-
<br /> Thornton Portal, EFRI, 6/1/16 1.84 <0.1 <0.01 0.1 <0.01 <0.05 <0.05 <0.01 1 0.3 <0.05 0.35 2 0.4 <0.01 + 2'
<br /> j -w- -Av.? <1.6 „�_
<br /> Thornton Portal, EFRI, 6/7/17 2.11 <0.1 <0.01 0.1 <0.01 <0.05 <0.05 <0.01 0.2 � <0.05 ( 0.226 2.34 0.4 <0.01 '', 4f!:;gym: 1.9t` "r
<br /> Thornton Portal, EFRI, 6/20/18 2.51 <0.1 <0.01 0.1 <0.01 <0.05 <0.05 <0.01 0.2 <0.05 0.221 1.68 1 0.5 <0.01i!7r`:8 6 , <0.5 `
<br /> Thornton Portal, EFRI, 6/25/19 1.87 i <0.1 <0.01 0.1 i <0.01 <0.05 j <0.05 <0.01 0.2 <0.05 0.193 1.94 0.4 <0.01 3{ "x'"a-ji.5 ' 1.6 7-141.1'0
<br /> Colorado Water Standards
<br /> Ground Water, Domestic 0.01 I 2.0 0.004 I j 0.005 0.1 I 0.05 I 0.05 I 0.035 I 0.1 0.05 I 0.03 I 5 20 5(c) 5(c) ' 5
<br /> Ground Water, Agriculture 0.1 0.1 1 0.75 0.01 0.1 0.1 0.2 I 0.2 0.02 0.1 2
<br /> Surface Water, Stream (e,f) 0.100 I 0.100 10.75 dis 0.010 0.100 I 0.100 0.200 I 0.200 (d) 2 5(c) 5(c) 5
<br /> Surface Water, Domestic 0.1(g) 1.0 0.004 I 0.005 0.05 0.05 0.05 0.1 0.05 0.03 5 20 5(c) 5(c) 5
<br /> Surface Water, Agriculture 0.1 0.1 0.75 I 0.01 I 0.1 0.1 0.2 I 0.2 0.02 2
<br /> EPA Water Standards(h)
<br /> Maximum 4 1.0 10 dis,
<br /> 30 tot
<br /> Average 2 0.5
<br /> 3 dis,
<br /> 10 tot
<br /> Notes:
<br /> 1. Water standards are provided for reference only.These standards do not apply to the spring water unless it is used for drinking water, irrigation, or other regulated
<br /> uses.
<br /> 2. Concentrations or activity levels above a state or federal standard are shaded for reference purposes. Shading indicates that the measured level is elevated
<br /> compared to cetain standards of water use.
<br /> 3. Metal and radionuclide levels are reported as total recoverable.
<br /> Table 5 Water Quality Data
<br /> Rajah 49 Mine, Thornton Portal
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